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Question 13252
NEET Biology · Hard

Digestion and Absorption: Stomach Protection MCQ

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Stomach ProtectionHardQuestion 13252

Question

Why does pepsin not normally digest the stomach wall?

  1. A
    Mucus-bicarbonate barrier protects the mucosa
    Correct
  2. B
    Pepsin works only in alkaline pH
  3. C
    The stomach has no proteins
  4. D
    Bile neutralises all acid in stomach

Correct answer

Mucus-bicarbonate barrier protects the mucosa

Explanation

The gastric mucosa is protected by mucus and bicarbonate, while pepsin acts in the lumen.

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